Thread: About to begin my rebuild. Input needed

34 degrees stock compression for high cr u have to start fighting knock and etc and that high cr was used with iron heads the max you can get out of iron heads in most applications is around 11:1 we could of pushed it past 38 degrees but the block saw no power change after 35 degrees so we kept it at 34 and hyper pistons his tune better be good, cause once he gets some knock those pistons will shatter I've shatter 5 hyper pistons b4 from a bad linkage to the secondary butterflys on the carb b4